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Finding the Fourth Proportional to 66,958.72, 92,399.82 and 36,743.32

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Solution

The fourth proportional to 66,958.72, 92,399.82 and 36,743.32 is: 50,704.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,958.72 : 92,399.82 = 36,743.32 : x
  2. Step 2: Convert to fraction form
    66,958.72/92,399.82 = 36,743.32/x
  3. Step 3: Cross multiply
    66,958.72x = 92,399.82 × 36,743.32
  4. Step 4: Simplify right side
    66,958.72x = 3,395,076,154.20
  5. Step 5: Solve for x
    x = 3,395,076,154.20/66,958.72
  6. Step 6: Final answer
    x = 50,704.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.